Ordering Recommendations

Refer to Thyroid Stimulating Hormone (0070145).

Collect

Serum separator tube or plasma separator tube. Also acceptable: Lavender (EDTA) or green (sodium or lithium heparin).

Specimen Preparation

Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP standard transport tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Grossly hemolyzed specimens.

Stability (from collection to initiation)

After separation of cells: Ambient: 8 days; Refrigerated: 2 weeks; Frozen: 2 years

Referral Lab

Laboratories.

Ordering Recommendations

Refer to Thyroid Stimulating Hormone (0070145).

Reference Lab Number

0070225

Synonyms

  • S-TSH
  • Thyroid Stimulating Hormone Ultrasensitive
  • Third-Generation TSH
  • Sensitive-Thyroid-Stimulating Hormone
  • Sensitive TSH
  • HS-TSH
  • High Sensitivity-Thyroid Stimulating Hormone
  • TSH-High Sensitivity
  • TSH, 3rd Generation
  • TSH Hypersensitive
  • TSH 3rd Generation
  • Thyrotropin
  • Thyroid-Stimulating Hormone-Sensitive, Serum
  • Ultra Sensitive TSH
  • TSH-ICMA

CPT Codes

84443

LOINC

  • 11580-8

Reference Lab Number

0070225

Reference Interval

Effective February 22, 2022
Males
Females
0-3 days5.170-14.600 mU/L5.170-14.600 mU/L
4-30 days0.430-16.100 mU/L0.430-16.100 mU/L
1-24 months0.620-8.050 mU/L0.620-8.050 mU/L
2-6 years0.540-4.530 mU/L0.540-4.530 mU/L
7-11 years0.660-4.140 mU/L0.660-4.140 mU/L
12-19 years0.530-3.590 mU/L0.530-3.590 mU/L
20 years and older0.270-4.200 mU/L0.270-4.200 mU/L
1st trimester (10-13 weeks gestation) 0.03-3.40 mU/L
2nd trimester (14-20 weeks gestation) 0.19-4.06 mU/L

Collection

Ordering Recommendations

Refer to Thyroid Stimulating Hormone (0070145).

Collect

Serum separator tube or plasma separator tube. Also acceptable: Lavender (EDTA) or green (sodium or lithium heparin).

Specimen Preparation

Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP standard transport tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Grossly hemolyzed specimens.

Stability (from collection to initiation)

After separation of cells: Ambient: 8 days; Refrigerated: 2 weeks; Frozen: 2 years

Referral Lab

Laboratories.
Ordering

Ordering Recommendations

Refer to Thyroid Stimulating Hormone (0070145).

Reference Lab Number

0070225

Synonyms

  • S-TSH
  • Thyroid Stimulating Hormone Ultrasensitive
  • Third-Generation TSH
  • Sensitive-Thyroid-Stimulating Hormone
  • Sensitive TSH
  • HS-TSH
  • High Sensitivity-Thyroid Stimulating Hormone
  • TSH-High Sensitivity
  • TSH, 3rd Generation
  • TSH Hypersensitive
  • TSH 3rd Generation
  • Thyrotropin
  • Thyroid-Stimulating Hormone-Sensitive, Serum
  • Ultra Sensitive TSH
  • TSH-ICMA
Fees & Codes

CPT Codes

84443

LOINC

  • 11580-8

Reference Lab Number

0070225
Clinical & Interpretive

Reference Interval

Effective February 22, 2022
Males
Females
0-3 days5.170-14.600 mU/L5.170-14.600 mU/L
4-30 days0.430-16.100 mU/L0.430-16.100 mU/L
1-24 months0.620-8.050 mU/L0.620-8.050 mU/L
2-6 years0.540-4.530 mU/L0.540-4.530 mU/L
7-11 years0.660-4.140 mU/L0.660-4.140 mU/L
12-19 years0.530-3.590 mU/L0.530-3.590 mU/L
20 years and older0.270-4.200 mU/L0.270-4.200 mU/L
1st trimester (10-13 weeks gestation) 0.03-3.40 mU/L
2nd trimester (14-20 weeks gestation) 0.19-4.06 mU/L

Lab Use Only

Test Information

Performing Lab
ARUP
Methodology
Quantitative Electrochemiluminescent Immunoassay (ECLIA)
Performed
Sun-Sat
Reported
Within 24 hours

ARUP Consult®

Disease Topics

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